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Add flip/rotate brush support to ChangeBrush command (#1222)
Implement part of: https://github.com/aseprite/aseprite/issues/1222 https://steamcommunity.com/app/431730/discussions/1/1479856439033920884/ https://community.aseprite.org/t/flipping-rotating-the-current-brush/1854
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12
data/gui.xml
12
data/gui.xml
@ -224,6 +224,18 @@
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<key command="ChangeBrush" shortcut="Minus Pad">
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<param name="change" value="decrement-size" />
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</key>
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<key command="ChangeBrush" shortcut="Space+H">
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<param name="change" value="flip-x" />
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</key>
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<key command="ChangeBrush" shortcut="Space+V">
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<param name="change" value="flip-y" />
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</key>
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<key command="ChangeBrush" shortcut="Space+D">
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<param name="change" value="flip-d" />
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</key>
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<key command="ChangeBrush" shortcut="Space+R">
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<param name="change" value="rotate-90cw" />
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</key>
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<!-- Custom brushes -->
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<key command="ChangeBrush" shortcut="Alt+1">
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@ -359,6 +359,10 @@ ChangeBrush_DecrementAngle = Decrement Angle
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ChangeBrush_DecrementSize = Decrement Size
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ChangeBrush_IncrementAngle = Increment Angle
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ChangeBrush_IncrementSize = Increment Size
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ChangeBrush_FlipX = Flip Horizontally
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ChangeBrush_FlipY = Flip Vertically
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ChangeBrush_FlipD = Flip Diagonally
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ChangeBrush_Rotate90CW = Rotate 90 CW
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ChangeColor = Change Color: {0}
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ChangeColor_IncrementFgIndex = Increment Foreground Index
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ChangeColor_DecrementFgIndex = Decrement Foreground Index
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@ -1,4 +1,5 @@
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// Aseprite
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// Copyright (c) 2023 Igara Studio S.A.
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// Copyright (C) 2001-2017 David Capello
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//
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// This program is distributed under the terms of
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@ -8,8 +9,6 @@
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#include "config.h"
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#endif
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#include <string>
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#include "app/app.h"
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#include "app/commands/command.h"
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#include "app/commands/params.h"
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@ -17,14 +16,26 @@
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#include "app/i18n/strings.h"
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#include "app/pref/preferences.h"
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#include "app/tools/active_tool.h"
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#include "app/tools/ink.h"
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#include "app/tools/tool.h"
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#include "app/ui/context_bar.h"
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#include "app/ui/main_window.h"
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#include "base/convert_to.h"
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#include "doc/algorithm/flip_image.h"
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#include "doc/brush.h"
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#include "doc/image_ref.h"
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#include "doc/primitives.h"
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#include "doc/tile.h"
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#include "fmt/format.h"
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#include <algorithm>
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#include <string>
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namespace app {
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using namespace doc;
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using namespace doc::algorithm;
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class ChangeBrushCommand : public Command {
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enum Change {
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None,
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@ -32,6 +43,10 @@ class ChangeBrushCommand : public Command {
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DecrementSize,
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IncrementAngle,
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DecrementAngle,
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FlipX,
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FlipY,
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FlipD,
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Rotate90CW,
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CustomBrush,
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};
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@ -63,6 +78,10 @@ void ChangeBrushCommand::onLoadParams(const Params& params)
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else if (change == "decrement-size") m_change = DecrementSize;
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else if (change == "increment-angle") m_change = IncrementAngle;
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else if (change == "decrement-angle") m_change = DecrementAngle;
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else if (change == "flip-x") m_change = FlipX;
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else if (change == "flip-y") m_change = FlipY;
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else if (change == "flip-d") m_change = FlipD;
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else if (change == "rotate-90cw") m_change = Rotate90CW;
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else if (change == "custom") m_change = CustomBrush;
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if (m_change == CustomBrush)
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@ -73,38 +92,207 @@ void ChangeBrushCommand::onLoadParams(const Params& params)
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void ChangeBrushCommand::onExecute(Context* context)
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{
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// Change the brush of the selected tool in the toolbar (not the
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// active tool which might be different, e.g. the quick tool)
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tools::Tool* tool = App::instance()->activeToolManager()->activeTool();
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ToolPreferences::Brush& brush =
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Preferences::instance().tool(tool).brush;
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auto app = App::instance();
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auto atm = app->activeToolManager();
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auto& pref = Preferences::instance();
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auto contextBar = (app->mainWindow() ? app->mainWindow()->getContextBar():
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nullptr);
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const BrushRef brush = (contextBar ? contextBar->activeBrush():
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nullptr);
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const bool isImageBrush = (brush && brush->type() == kImageBrushType);
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// Change the brush of the active tool (i.e. quick tool) only if the
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// active tool is of paint/eraser (e.g. proximity tool for eraser),
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// in other case (e.g. if the active tool is the Hand tool because
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// the user pressed the Space bar modifier), we'll change the brush
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// of the selected tool in the toolbar (ignoring the quick tool).
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tools::Tool* tool = atm->activeTool();
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if (!tool->getInk(0)->isPaint() &&
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!tool->getInk(0)->isEffect() &&
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!tool->getInk(0)->isEraser() &&
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!tool->getInk(0)->isShading()) {
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tool = atm->selectedTool();
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}
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ToolPreferences::Brush& brushPref = pref.tool(tool).brush;
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switch (m_change) {
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case None:
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// Do nothing
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break;
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case IncrementSize:
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if (brush.size() < doc::Brush::kMaxBrushSize)
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brush.size(brush.size()+1);
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case DecrementSize:
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// Resize x2 or x0.5 when resizing image brushes
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if (isImageBrush) {
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double scale = 1.0;
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switch (m_change) {
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case IncrementSize: scale = 2.0; break;
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case DecrementSize: scale = 0.5; break;
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}
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gfx::Size size = brush->bounds().size();
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size = gfx::Size(std::max<int>(1, size.w * scale),
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std::max<int>(1, size.h * scale));
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ImageRef newImg(Image::create(brush->image()->pixelFormat(), size.w, size.h));
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ImageRef newMsk(Image::create(IMAGE_BITMAP, size.w, size.h));
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const color_t bg = brush->image()->maskColor();
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newImg->setMaskColor(bg);
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newImg->clear(bg);
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newMsk->clear(0);
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resize_image(brush->image(), newImg.get(),
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RESIZE_METHOD_NEAREST_NEIGHBOR,
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nullptr, nullptr, bg);
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resize_image(brush->maskBitmap(), newMsk.get(),
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RESIZE_METHOD_NEAREST_NEIGHBOR,
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nullptr, nullptr, 0);
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// Create a copy of the brush (to avoid modifying the original
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// brush from the AppBrushes stock)
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BrushRef newBrush = std::make_shared<Brush>(*brush);
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newBrush->setImage(newImg.get(),
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newMsk.get());
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contextBar->setActiveBrush(newBrush);
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}
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else {
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switch (m_change) {
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case IncrementSize:
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if (brushPref.size() < Brush::kMaxBrushSize)
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brushPref.size(brushPref.size()+1);
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break;
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case DecrementSize:
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if (brush.size() > doc::Brush::kMinBrushSize)
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brush.size(brush.size()-1);
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break;
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case IncrementAngle:
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if (brush.angle() < 180)
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brush.angle(brush.angle()+1);
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break;
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case DecrementAngle:
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if (brush.angle() > 0)
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brush.angle(brush.angle()-1);
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break;
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case CustomBrush:
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App::instance()->contextBar()
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->setActiveBrushBySlot(tool, m_slot);
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if (brushPref.size() > Brush::kMinBrushSize)
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brushPref.size(brushPref.size()-1);
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break;
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}
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}
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break;
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case IncrementAngle:
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if (brushPref.angle() < 180)
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brushPref.angle(brushPref.angle()+1);
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break;
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case DecrementAngle:
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if (brushPref.angle() > 0)
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brushPref.angle(brushPref.angle()-1);
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break;
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case FlipX:
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case FlipY:
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if (isImageBrush) {
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ImageRef newImg(Image::createCopy(brush->image()));
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ImageRef newMsk(Image::createCopy(brush->maskBitmap()));
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const gfx::Rect bounds = newImg->bounds();
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switch (m_change) {
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case FlipX:
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flip_image(newImg.get(), bounds, FlipType::FlipHorizontal);
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flip_image(newMsk.get(), bounds, FlipType::FlipHorizontal);
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break;
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case FlipY:
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flip_image(newImg.get(), bounds, FlipType::FlipVertical);
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flip_image(newMsk.get(), bounds, FlipType::FlipVertical);
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break;
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}
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BrushRef newBrush = std::make_shared<Brush>(*brush);
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newBrush->setImage(newImg.get(),
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newMsk.get());
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contextBar->setActiveBrush(newBrush);
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}
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else {
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switch (m_change) {
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case FlipX:
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brushPref.angle(brushPref.angle() < 0 ? 180 + brushPref.angle():
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180 - brushPref.angle());
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break;
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case FlipY:
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brushPref.angle(-brushPref.angle());
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break;
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}
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}
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break;
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case FlipD:
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case Rotate90CW:
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if (isImageBrush) {
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const gfx::Rect origBounds = brush->bounds();
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const int m = std::max(origBounds.w, origBounds.h);
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const gfx::Rect maxBounds(0, 0, m, m);
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ImageRef newImg(Image::create(brush->image()->pixelFormat(), m, m));
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ImageRef newMsk(Image::create(IMAGE_BITMAP, m, m));
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const color_t bg = brush->image()->maskColor();
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newImg->setMaskColor(bg);
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newImg->clear(bg);
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newMsk->clear(0);
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const gfx::Clip clip(0, 0, 0, 0, origBounds.w, origBounds.h);
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newImg->copy(brush->image(), clip);
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newMsk->copy(brush->maskBitmap(), clip);
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gfx::Rect cropBounds;
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switch (m_change) {
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case FlipD:
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flip_image(newImg.get(), maxBounds, FlipType::FlipDiagonal);
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flip_image(newMsk.get(), maxBounds, FlipType::FlipDiagonal);
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cropBounds = gfx::Rect(0, 0, origBounds.h, origBounds.w);
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break;
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case Rotate90CW:
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// To rotate 90cw:
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//
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// A B -> C A
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// C D D B
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//
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// We can flip Y and then flip D:
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//
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// A B -> C D -> C A
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// C D A B D B
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//
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flip_image(newImg.get(), maxBounds, FlipType::FlipVertical);
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flip_image(newImg.get(), maxBounds, FlipType::FlipDiagonal);
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flip_image(newMsk.get(), maxBounds, FlipType::FlipVertical);
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flip_image(newMsk.get(), maxBounds, FlipType::FlipDiagonal);
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cropBounds = gfx::Rect(m - origBounds.h, 0,
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origBounds.h, origBounds.w);
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break;
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}
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ImageRef newImg2(crop_image(newImg.get(), cropBounds, bg));
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ImageRef newMsk2(crop_image(newMsk.get(), cropBounds, bg));
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BrushRef newBrush = std::make_shared<Brush>(*brush);
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newBrush->setImage(newImg.get(),
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newMsk.get());
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contextBar->setActiveBrush(newBrush);
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}
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break;
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case CustomBrush:
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if (contextBar)
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contextBar->setActiveBrushBySlot(tool, m_slot);
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break;
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}
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// Notify the ActiveToolManager that the active brush changed, so we
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// can show the new brush in the real (non-quick) active tool.
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//
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// E.g. Space key activates the Hand quick tool, Space+H flips the
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// brush, but we are still in the Hand tool, in this case we'd like
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// to go back to the original tool (e.g. Pencil) and show the new
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// brush.
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atm->brushChanged();
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}
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std::string ChangeBrushCommand::onGetFriendlyName() const
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{
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@ -115,6 +303,10 @@ std::string ChangeBrushCommand::onGetFriendlyName() const
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case DecrementSize: change = Strings::commands_ChangeBrush_DecrementSize(); break;
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case IncrementAngle: change = Strings::commands_ChangeBrush_IncrementAngle(); break;
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case DecrementAngle: change = Strings::commands_ChangeBrush_DecrementAngle(); break;
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case FlipX: change = Strings::commands_ChangeBrush_FlipX(); break;
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case FlipY: change = Strings::commands_ChangeBrush_FlipY(); break;
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case FlipD: change = Strings::commands_ChangeBrush_FlipD(); break;
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case Rotate90CW: change = Strings::commands_ChangeBrush_Rotate90CW(); break;
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case CustomBrush:
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change = fmt::format(Strings::commands_ChangeBrush_CustomBrush(), m_slot);
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break;
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@ -1,5 +1,5 @@
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// Aseprite
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// Copyright (C) 2018-2020 Igara Studio S.A.
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// Copyright (C) 2018-2023 Igara Studio S.A.
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// Copyright (C) 2016 David Capello
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//
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// This program is distributed under the terms of
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@ -144,6 +144,12 @@ void ActiveToolManager::newQuickToolSelectedFromEditor(Tool* tool)
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m_quickTool = tool;
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}
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void ActiveToolManager::brushChanged()
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{
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ActiveToolChangeTrigger trigger(this);
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m_quickTool = nullptr;
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}
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void ActiveToolManager::regularTipProximity()
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{
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if (m_proximityTool != nullptr) {
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@ -1,5 +1,5 @@
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// Aseprite
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// Copyright (C) 2020 Igara Studio S.A.
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// Copyright (C) 2020-2023 Igara Studio S.A.
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// Copyright (C) 2016 David Capello
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//
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// This program is distributed under the terms of
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@ -42,6 +42,7 @@ public:
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// modify the active tool.
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void newToolSelectedInToolBar(Tool* tool);
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void newQuickToolSelectedFromEditor(Tool* tool);
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void brushChanged();
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void regularTipProximity();
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void eraserTipProximity();
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void pressButton(const Pointer& pointer);
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